From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A78C3DD862 for ; Tue, 28 Jul 2026 16:10:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785255026; cv=none; b=ZrwXIlHO895csqb9NGkxAmia21uWNR6qc8EAL3T4LBsIVgn+yUQWbir1NXg1YdyonDjz1kGM07WGtr16FSm5T3IoQPJo54fImsaz+1qxj3Y261svjuEmXcN6GrnTu9iEPn9lWEIY0Vt07O6NBh8tKwFZJd7aeo88se2lmb8C6Vw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785255026; c=relaxed/simple; bh=GCemi1HB/B1VNmIqHcU0H5H9tsJkghXS1zKjaJp2bT0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fMIHkG++L/0tJt00ZshCHR11JZuRF+qW/hYfbgwr/VJrGuo3Cv+cNbJKr+EH4ukYCzaCGFlUqTN6VFgpfRumaoCh2QRc5XEsEc2v6bldT4dUeZdNqwNlMlqay5h0SDZ/Iv9VfDZBsN2ypVFtjjL+ZHo42giYRevoFVQysP3aHwc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ku2YtRGf; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ku2YtRGf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C3E91F000E9; Tue, 28 Jul 2026 16:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785255024; bh=gcwVl3lN8qMnvvfE9NnLngP76raX3C+whG+7+Q4ea8A=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ku2YtRGfthwCNk35IaT8TtVDEjQFfpkrk+yec+FebjrVPebcmc2o/TpdCmKNA5eRa WkaBbYX6nC9zf/l34pqgAxfR1pI1SUNK5nEKzrTtlhUAPflMDQ02lXIDlzaP0e/9ML 1MJ94tbC0pUa7SGaBpODfWhMoLUl1vyYBgvsgiPzTR4fKogPZC1WN/piw02+BhjwYe horSx0qkuQ2YW/+ScuB6G+XLOxmR7Ae1ROI1HetenY+kJqbWT8nKiwAwzbCJ8SmEqK qNtWLkw/R5ihV2m2y6zlIBg3+SgtdPv6f+anHoE6Sg7nNM9xldiF/WOqOV61syDemN zXEJ/Ljyuc0CA== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Xincheng Zhang , stable@kernel.org, Greg Kroah-Hartman Subject: Re: [PATCH 5.15.y] usb: xhci-pci: Limit VIA VL805 DMA addressing to 36 bits Date: Tue, 28 Jul 2026 12:10:06 -0400 Message-ID: <20260728155654.stable-0012@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260728022514.1501006-1-zhangxincheng@ultrarisc.com> References: <20260728022514.1501006-1-zhangxincheng@ultrarisc.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > The VIA VL805/806 xHCI controller advertises AC64, but fails to handle > DMA addresses at or above 0x1000000000. On systems with large amounts of > RAM, this can cause USB device failures when the controller is given DMA > addresses beyond its usable address width. Queued for 5.15, thanks. -- Thanks, Sasha